C158 Someone Was Looking for Trouble

"Oh? This explanation is quite novel. Which book is it? Take it out for me to take a look. "Cang Xuande raised his eyebrows as if he was quite curious about this theory.

Lee Yifann took out a medical book that was not very thick from his pocket. "This is it. I drew the description on page 37 with my pen."

Cang Xuande took the medical book and looked at the title of the book, "neurology